# Revision History | Revision | Date | Description | | --- | --- | --- | | BJ | June 2026 | Updated documentation for SDK release V1.76.4 changes | | BH | Apr 2026 | Updated documentation for SDK release V1.76.2 changes | | BG | Jul 2025 | Updated documentation for SDK release V1.76.0 changes | | BF | Jun 2025 | Updated documentation for SDK release V1.75.0 changes | | BE | Apr 2025 | Updated documentation for SDK release V1.74.0 changes | | BD | Feb 2025 | Updated documentation for SDK release V1.73.0 changes | | BC | Jan 2025 | Updated documentation for SDK release V1.72.0 changes | | BB | Oct 2024 | Updated documentation for SDK release V1.71.0 changes | | BA | Sep 2024 | Updated documentation for SDK release V1.70.0 changes | | AY | Jul 2024 | Updated documentation for SDK release V1.69.0 changes | | AW | Jun 2024 | Updated documentation for SDK release V1.68.0 changes | | AU/AV | Apr 2024 | Updated documentation for SDK release V1.67.0 changes | | AT | Feb 2024 | Updated documentation for SDK release V1.66.0 changes | | AS | Jan 2024 | Updated documentation for SDK release V1.65.0 changes | | AR | Dec 2023 | Updated documentation for SDK release V1.64.0 changes | | AP | Oct 2023 | Updated documentation for SDK release V1.63.0 changes | | AN | Sep 2023 | Updated documentation for SDK release V1.62.0 changes | | AM | Aug 2023 | Updated documentation for SDK release V1.61.0 changes | | AL | Jul 2023 | Updated documentation for SDK release V1.60.0 changes | | AK | Jun 2023 | Updated documentation for SDK release V1.59.0 changes | | AJ | May 2023 | Updated documentation for SDK release V1.58.0 changes | | AH | Apr 2023 | Updated documentation for SDK release V1.57.0 changes | | AG | Mar 2023 | Added documentation for thermal notifications | | AF | Dec 2022 | | | AE | Nov 2022 | Updated documentation for SDK release V1.54.0 changes | | AD | Sep 2022 | Updated documentation for SDK release V1.53.0 changes | | AC | Jul 2022 | Updated documentation | | AB | Apr 2022 | Added documentation for API access control | | AA | Mar 2022 | | | | Jan 2022 | Updated C-V2X radio call flows | | | Dec 2021 | Addition of documentation for sensor self test APIs | | | Dec 2021 | Addition of documentation for ECALL and OTA operation APIs | | | Nov 2021 | Support for Xtra feature in location | | | Sep 2021 | Addition of new sub system Readiness APIs for Modem Config | | | Aug 2021 | Addition of Subsystem Restart handling in Telsdk | | | Aug 2021 | Added further EFS API related information for platform sub-system | | | Jul 2021 | Updated thermal subsystem readiness flow for new methodology | | | Jun 2021 | Addition of Remote SIM provisioning APIs and related call flows | | | Jun 2021 | Addition of documentation for platform subsystem | | | Apr 2021 | Addition of documentation for sensor subsystem | | | Apr 2021 | Addition of Serving System Manager APIs for data | | | Mar 2021 | Addition of calibration init status API for audio | | | Feb 2021 | Addition of new sub system Readiness APIs for Audio | | | Jan 2021 | Updated Data Subsystem Readiness flow for new methodology | | | Feb 2021 | Addition of configure NMEA types in location SDK | | | Jan 2021 | Addition of Audio Subsystem Restart Support | | | Jan 2021 | Addition of terrestrial positioning APIs and callflows in location SDK | | | Nov 2020 | Addition of Year of hardware and configure engine state APIs in location and callflows | | | Nov 2020 | Addition of cv2x SE-linux interface documentation | | | Aug 2020 | Addition of Location Manager APIs, Location Configurator APIs and callflows | | | May 2020 | Addition of Public Logging API | | | May 2020 | Addition of L2TP to Data Networking APIs and call flows | | | Apr 2020 | Addition of Security section with SE-linux interface documentation | | | Mar 2020 | Addition of Robust Location API in Location Configurator and call flows | | | Feb 2020 | Addition of Location Configurator APIs and call flows | | | Jan 2020 | Addition of Socks Proxy to Data Networking APIs and call flows | | | Jan 2020 | Addition of Data software bridge management APIs and call flows | | | Nov 2019 | Addition of Compressed audio format playback on voice paths APIs and call flows | | | Nov 2019 | Addition of Data Networking APIs and call flows | | | Nov 2019 | Addition of Audio Format Transcoding APIs and call flows | | | Oct 2019 | Addition of Location constraint time uncertainty APIs and call flows | | | Oct 2019 | Addition of Location concurrent report APIs and call flows | | | Oct 2019 | Addition of Data Filter APIs and call flows | | | Sep 2019 | Addition of modem config APIs and related call flows | | | Sep 2019 | Addition of Audio APIs for compressed audio format playback and related call flows | | | Sep 2019 | Addition of Audio APIs for Loopback, Tone Generator and related call flows | | | Sep 2019 | Addition of Remote SIM APIs and call flows | | | Jul 2019 | Addition of Thermal shutdown manager APIs and call flows | | | Jul 2019 | Updated the Location APIs and call flows | | | Jun 2019 | Addition of Audio APIs for play, capture, DTMF and related call flows | | | May 2019 | Addition of TCU Activity Management APIs and call flows | | | Mar 2019 | Addition of Thermal manager APIs and call flows | | | Jan 2019 | Addition of Audio APIs and call flows | | | Nov 2018 | Addition of C-V2X APIs | | | Oct 2018 | Addition of Network Selection and Serving System Management APIs and call flows | | | Jun 2018 | Added Cellular Connection Management APIs | | | Dec 2017 | Added subscription APIs and section on Versioning and API Status | | | Sep 2017 | Initial release | Last Published: Jun 24, 2026 [Previous Topic Typedef v2x\_vehicle\_handle\_t](https://docs.qualcomm.com/bundle/publicresource/80-PF458-2/topics/typedef_a00021_1gaaa4993e43347a0b0c48bf356e6262c24.md)